Java實現zip文件解壓[到指定目錄]

package com.ljheee.ziptool.core;  
  
import java.io.File;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import java.nio.charset.Charset;  
import java.util.Enumeration;  
import java.util.zip.ZipEntry;  
import java.util.zip.ZipFile;  
/** 
 * 實現文件[夾]解壓 
 * @author ljheee 
 * 
 */  
public class UnZipFile {  
  
    /** 
     * 解壓到指定目錄 
     * @param zipPath   
     * @param descDir  
     */  
    public static void unZipFiles(String zipPath, String descDir) throws IOException {  
        unZipFiles(new File(zipPath), descDir);  
    }  
  
    /** 
     * 解壓文件到指定目錄 
     * 解壓後的文件名,和以前一致 
     * @param zipFile   待解壓的zip文件 
     * @param descDir   指定目錄 
     */  
    @SuppressWarnings("rawtypes")  
    public static void unZipFiles(File zipFile, String descDir) throws IOException {  
          
        ZipFile zip = new ZipFile(zipFile,Charset.forName("GBK"));//解決中文文件夾亂碼  
        String name = zip.getName().substring(zip.getName().lastIndexOf('\\')+1, zip.getName().lastIndexOf('.'));  
          
        File pathFile = new File(descDir+name);  
        if (!pathFile.exists()) {  
            pathFile.mkdirs();  
        }  
          
        for (Enumeration<? extends ZipEntry> entries = zip.entries(); entries.hasMoreElements();) {  
            ZipEntry entry = (ZipEntry) entries.nextElement();  
            String zipEntryName = entry.getName();  
            InputStream in = zip.getInputStream(entry);  
            String outPath = (descDir + name +"/"+ zipEntryName).replaceAll("\\*", "/");  
              
            // 判斷路徑是否存在,不存在則建立文件路徑  
            File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));  
            if (!file.exists()) {  
                file.mkdirs();  
            }  
            // 判斷文件全路徑是否爲文件夾,若是是上面已經上傳,不須要解壓  
            if (new File(outPath).isDirectory()) {  
                continue;  
            }  
            // 輸出文件路徑信息  
//          System.out.println(outPath);  
  
            FileOutputStream out = new FileOutputStream(outPath);  
            byte[] buf1 = new byte[1024];  
            int len;  
            while ((len = in.read(buf1)) > 0) {  
                out.write(buf1, 0, len);  
            }  
            in.close();  
            out.close();  
        }  
        System.out.println("******************解壓完畢********************");  
        return;  
    }  
      
    //測試  
    public static void main(String[] args) {  
        try {  
            unZipFiles(new File("E:/Study/Java.zip"), "E:/Study/abc/");  
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
    }  
  
}

完整工程實現界面化,經過界面完成對文件的壓縮和解壓,以下圖:java

完整工程:https://github.com/ljheee/MyZip1.0git

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